And white LED bulbs are starting to appear in the lighting departments of retailers such as the Home Depot. For producers of a critical LED raw material, trimethylgallium (TMG), the changes haven't been so subtle. To stave off shortages, they are planning to add capacity well before they'...
They are similar to regular bulbs but have no filament. Their light is generated by electrons moving through a semiconductor material. The use of LEDs has been limited in part by the challenge of producing warm-looking white light and other colors in the spectrum and the fact that they are ...
And white LED bulbs are starting to appear in the lighting departments of retailers such as the Home Depot. For producers of a critical LED raw material, trimethylgallium (TMG), the changes haven't been so subtle. To stave off shortages, they are planning to add capacity well before they'...